Funding for this research was provided by:
Lottery Fund of the Canton of Zurich (There is no number)
Received: 1 October 2019
Accepted: 24 May 2020
First Online: 22 June 2020
Ethics approval and consent to participate
: The Swiss Federation of Midwives gave written permission to use anonymised routine date for the purpose of the current study. Interview participants received oral and written study information and provided voluntarily written consent with the right to withdraw at any time. The Ethics Committee of the Canton of Zurich in Switzerland approved both, the quantitative (secondary analysis of routine data) and the qualitative part (telephone interviews, focus group discussion) of our study (BASEC-Nr. Req-2017-00192).
: Not applicable.
: The authors declare that they have no competing interests.